Portable Psychrometer for HVAC Technicians
Portable psychrometer kit for HVAC professionals to measure humidity in air conditioning systems during service calls. Classified in HTS 9025.80.35.00 for its non-recording wet/dry bulb method of psychrometric calculation. Provides field-accurate dew point data.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed exclusively as HVAC appliance part
Parts principally for Chapter 84 machines classify with the machine.
If for other non-specified non-recording humidity instruments
Psychrometers specifically carve out 9025.80.35; others go to residual 9025.80.60.
If sold as toolkit accessory with tools
Sets with hand tools classify under tool headings, not instruments.
Not sure which classification is right?
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Import Tips & Compliance
• Include user manual showing manual calculation to confirm non-automatic status
• Separate from HVAC machine parts declarations to avoid Chapter 84
• Calibrate before import and retain certificates for accuracy disputes
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